Home / 757,739.43-1,045,678.28-418,205.25

Finding the Fourth Proportional to 757,739.43, 1,045,678.28 and 418,205.25

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Solution

The fourth proportional to 757,739.43, 1,045,678.28 and 418,205.25 is: 577,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,739.43 : 1,045,678.28 = 418,205.25 : x
  2. Step 2: Convert to fraction form
    757,739.43/1,045,678.28 = 418,205.25/x
  3. Step 3: Cross multiply
    757,739.43x = 1,045,678.28 × 418,205.25
  4. Step 4: Simplify right side
    757,739.43x = 437,308,144,415.94
  5. Step 5: Solve for x
    x = 437,308,144,415.94/757,739.43
  6. Step 6: Final answer
    x = 577,122.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.